Samsung Electro-Mechanics Invests 319.1 Billion KRW in Joint Venture with Dongwoo Fine-Chem for Glass Core Substrate Market Entry


  • Samsung Electro-Mechanics will acquire 63.82 million shares of a newly established joint venture Glacem at a total of 319.1 billion KRW representing 66.2 percent ownership.
  • The joint venture with Dongwoo Fine-Chem a subsidiary of Sumitomo Chemical aims to preempt the glass core substrate market for advanced semiconductor packaging.
  • The investment is funded by 239.1 billion KRW in cash and 80 billion KRW in in-kind contributions with the acquisition expected to close on September 1 2026.
  • The agreement includes put and call options after five years allowing Samsung to call Dongwoo's shares at 120 percent of fair value or Dongwoo to put its shares at 80 percent.
  • [AI Summary]Samsung Electro-Mechanics commits 319.1 billion KRW for a majority stake in a strategic joint venture focused on glass core substrates. The deal represents a productive capital allocation into a high-growth technology area with a credible partner. No dilution to existing shareholders occurs as the investment uses internal funds.

KOSPI Filing Information


  • Decision on Acquisition of Stocks and Investment Securities of Other Corporations
  • Company: SAMSUNG ELECTRO-MECHANICS (009150)
  • Submission: SAMSUNG ELECTRO-MECHANICS CO.,LTD
  • Under KRX KOSPI Market Division

  • Shares: 74,693,696
  • Price: 2,184,000 KRW
  • Market Cap: 163,131 B KRW